#include "widget.h"
#include "ui_widget.h"
#include <QTimer>
#include <QDebug>

Widget::Widget(QWidget *parent)
    : QWidget(parent)
    , ui(new Ui::Widget)
{
    ui->setupUi(this);

    ui->lcdNumber->display(10);

    timer = new QTimer(this);
    connect(timer,&QTimer::timeout,this,&Widget::Handle);

    timer->start(1000);

}

Widget::~Widget()
{
    delete ui;
}

void Widget::Handle()
{
    int value = ui->lcdNumber->intValue();

    qDebug() << value;

    if(value <= 0)
    {
        timer->stop();
        return;
    }

    ui->lcdNumber->display(value-1);
}

